obsolete.ChilliProject/db/migrate/20100714111653_build_initia...

94 lines
3.7 KiB
Ruby

#-- copyright
# ChiliProject is a project management system.
#
# Copyright (C) 2010-2011 the ChiliProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# See doc/COPYRIGHT.rdoc for more details.
#++
class BuildInitialJournalsForActsAsJournalized < ActiveRecord::Migration
def self.up
# This is provided here for migrating up after the JournalDetails has been removed
unless Object.const_defined?("JournalDetails")
Object.const_set("JournalDetails", Class.new(ActiveRecord::Base))
end
# Reset class and subclasses, otherwise they will try to save using older attributes
Journal.reset_column_information
Journal.send(:subclasses).each do |klass|
klass.reset_column_information if klass.respond_to?(:reset_column_information)
end
providers = Redmine::Activity.providers.collect {|k, v| v.collect(&:constantize) }.flatten.compact.uniq
providers.each do |p|
next unless p.table_exists? # Objects not in the DB yet need creation journal entries
say_with_time("Building initial journals for #{p.class_name}") do
activity_type = p.activity_provider_options.keys.first
p.find(:all).each do |o|
# Create initial journals
new_journal = o.journals.build
# Mock up a list of changes for the creation journal based on Class defaults
new_attributes = o.class.new.attributes.except(o.class.primary_key,
o.class.inheritance_column,
:updated_on,
:updated_at,
:lock_version,
:lft,
:rgt)
creation_changes = {}
new_attributes.each do |name, default_value|
# Set changes based on the initial value to current. Can't get creation value without
# rebuiling the object history
creation_changes[name] = [default_value, o.send(name)] # [initial_value, creation_value]
end
new_journal.changes = creation_changes
new_journal.version = 1
new_journal.activity_type = activity_type
if o.respond_to?(:author)
new_journal.user = o.author
elsif o.respond_to?(:user)
new_journal.user = o.user
end
# Using rescue and save! here because either the Journal or the
# touched record could fail. This will catch either error and continue
begin
new_journal.save!
new_journal.reload
# Backdate journal
if o.respond_to?(:created_at)
new_journal.update_attribute(:created_at, o.created_at)
elsif o.respond_to?(:created_on)
new_journal.update_attribute(:created_at, o.created_on)
end
rescue ActiveRecord::RecordInvalid => ex
if new_journal.errors.count == 1 && new_journal.errors.first[0] == "version"
# Skip, only error was from creating the initial journal for a record that already had one.
else
puts "ERROR: errors creating the initial journal for #{o.class.to_s}##{o.id.to_s}:"
puts " #{ex.message}"
end
end
end
end
end
end
def self.down
# No-op
end
end